Check the listing for details. Grade 5 5/8 - 18 Hex Nut Part # 33019. Condition: New. Listed at 4.86 USD. Questions? Message Us! If you are not sure this will fit your application please contact us with your model and ser #. We are not responsible for shipping on returns for wrong parts if you don't contact us first. Grade 5 5/8 - 18 Hex Nut Part # 33019 Grade 5 5/8 - 18 Hex Nut Part # 33019 Product Hex Nut: 5/8-18, SAE J995 Grade 5 Steel, Zinc Clear Finish Specifications Nut Type Hex Nut Material Steel Thread Direction Right Hand Thread Size (Inch) 5/8-18 Material Grade SAE J995 Grade 5 Finish Coating Clear Zinc Width Across Flats (Inch) 15/16 Width Across Flats (Decimal Inch)0.9375 Thread StandardUNC; UNF Hardness 32 HRC Military Specification Does Not Meet Military Specifications Height (Inch) 35/64 Height (Decimal Inch) 0.5469 Fastener Standard ASME B18.2.2; ANSI Width Across Points (Decimal Inch)1.0830 System Of Measurement Inch UNSPSC Code 31161727 Shipping Shipping cost: Varies Delivery time:Ships within one business day. Payment We accept the following payment methods: PayPal Please contact us if you have any questions. Service If you are not sure this will fit your application please contact us with your model and ser #. We are not responsible for shipping on returns for wrong parts if you don't contact us first.